They seem to be something different but in reality they really aren't. Cut the clamp from the adapter, slap in the silicone one, if it doesn't fit on...
Swap back to v-power the fuel from the supermarket must be bad for you to notice it... best to add a diesel fuel system cleaner to the tank than top...
It turned out the water pump is driven by the very same belt which is driving the alternator and the engine was overheating :-)) Here is the picture....
You could just use a make shift pair of tights to make a temporary auxiliary belt. Just make sure the knot is facing the outside on the big pullies....